Compilare: main.cpp:56:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] main() ^ main.cpp: In function 'int main()': main.cpp:100:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(it1 < baga.size() && baga[it1].x <= i.x) ~~~~^~~~~~~~~~~~~ main.cpp:108:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(it2 < scoate.size() && scoate[it2].y <= i.x) ~~~~^~~~~~~~~~~~~~~ main.cpp:110:17: warning: unused variable 'p' [-Wunused-variable] int p = scoate[it2].c; ^ main.cpp:96:13: warning: unused variable 'st' [-Wunused-variable] int st = i.x; ^~ main.cpp:97:13: warning: unused variable 'dr' [-Wunused-variable] int dr = i.y; ^~ main.cpp:98:13: warning: unused variable 'val' [-Wunused-variable] int val = i.res; ^~~ main.cpp: In function 'bool cmp1(Event, Event)': main.cpp:49:1: warning: control reaches end of non-void function [-Wreturn-type] } ^